Cita APA (7th ed.)
Rivlin, A. M., & Timpane, M. P. (1975). Plannet variation in education: Should we given up or try harder.
Cita Chicago (17th ed.)
Rivlin, Alice M., i Michael P. Timpane. Plannet Variation in Education: Should We Given Up or Try Harder. 1975.
Cita MLA (9th ed.)
Rivlin, Alice M., i Michael P. Timpane. Plannet Variation in Education: Should We Given Up or Try Harder. 1975.
Atenció: Aquestes cites poden no estar 100% correctes.